Dora has been asleep for about an hour and a half minutes, her heart beats faster, her breathing is uneven and quick, and her eyes move back and forth with the eye lids shut. dora has most likely entered what stage of sleep?
stage 1
stage 2
stage 3
stage 4
rem sleep

Why does the author attempt to convince the reader that what he has described of the middle colonies is factual?

Afarm grows soybean and produces chickens. the opportunity cost of producing each of these products increases as more of it is produced. draw the? farm's ppf. label it ppf0. the farm adopts a new technology which allows it to use fewer resources to fatten chickens. draw a ppf that illustrates the impact of the new technology. label it ppf1.

Ascientist has predicted that the population of earth will continue to grow exponentially until the year 2300. at that point, we will reach carrying capacity of earth’s resources, and population growth will plateau. if the scientist’s prediction is correct, what can you predict about human energy use at that time? justify your answer by explaining the relationship between population growth and energy use. (5 points)